Who are the cast of Our Beloved Summer? They make up one of the most captivating ensembles in modern K-drama genre. This 2021 romantic comedy-drama, starring Choi Woo-shik and Kim Da-mi, quickly won hearts worldwide. Centering on two former high school sweethearts who reunite years later under unexpected circumstances, the show explores love, growth, and the complexities of youth. Audiences were drawn not only to the heartfelt storyline but also to the chemistry and charm of its lead actors.
What makes this cast truly special is their ability to bring authenticity to relatable experiences—confusion about the future, chasing dreams, and navigating relationships. With its beautiful cinematography and powerful performances, Our Beloved Summer became more than just a love story; it was a journey of rediscovery. Let’s dive deeper into the cast and their unforgettable contributions that made this drama a global sensation.

Who are the Original Cast of Our Beloved Summer: Main Actors and Roles
The main leads are Choi Woo-shik as Choi Ung and Kim Da-mi as Kook Yeon-su. Choi Ung is a free-spirited artist, while Yeon-su is a hardworking public relations expert. Fans often ask who are the supporting players, and the drama answers with memorable performances. Kim Sung-cheol plays Kim Ji-woong, a quiet yet emotional documentary director, while Roh Jeong-eui shines as NJ, a top idol with vulnerability behind her fame. Together, this cast delivered a mix of humor, warmth, and heartfelt tension that made the drama stand out.
Who Had Most of the Chemistry and Dynamics?
What makes Our Beloved Summer engaging is not only the script but also the relationships among its characters. Viewers wonder who are the people shaping Ung and Yeon-su’s journey—and the drama provides layered answers. Ji-woong’s quiet loyalty, NJ’s unexpected sincerity, and the leads’ emotional push-and-pull all form a web of chemistry. These dynamics show growth, heartbreak, and healing, creating moments that feel raw and genuine. The cast’s ability to portray flaws and strengths makes the drama relatable even beyond its romantic storyline.
Supporting characters enriched the storyline. Kim Sung-cheol’s Ji-woong represented the quiet pain of unrequited love, contrasting Ung and Yeon-su’s complicated romance. Roh Jeong-eui’s NJ added freshness, portraying an idol yearning for authenticity. Their presence emphasized the different paths young adults take while searching for meaning.
Additionally, the interplay between ambition, vulnerability, and personal identity gave the drama a universal appeal. Fans found themselves drawn not only to the central romance but also to the side stories that reflected themes of friendship, regret, and personal growth.
Legacy & Influence of the Our Beloved Summer Cast
The impact of Our Beloved Summer continues long after its finale. Fans across the world still talk about who are the cast members that made the series unforgettable. Choi Woo-shik’s nuanced portrayal of a vulnerable artist, paired with Kim Da-mi’s fierce yet tender performance, elevated the drama into one of the most beloved K-dramas of its time. Supporting actors like Kim Sung-cheol and Roh Jeong-eui have also gained more recognition, showing the influence of strong ensemble casting.
For fans, the series eventually became a comforting yet bittersweet exploration of love and second chances. Many praised the soundtrack, especially BTS’s V, who contributed the theme song “Christmas Tree,” which elevated the emotional tone of the drama. The cast’s performances played a central role in creating a work that feels timeless yet deeply relevant.
Analysis or Opinion
In my view, the cast of Our Beloved Summer represents the very best Korean drama storytelling. Unlike traditional romance dramas that rely heavily on clichés, this cast brought subtlety and authenticity. Choi Woo-shik’s portrayal of Ung reminded viewers that vulnerability can be just as powerful as confidence. His quiet charm gave the series a relatable, down-to-earth quality.
Kim Da-mi impressed with her ability to balance strength and fragility. Yeon-su was not a perfect heroine, but her imperfections made her all the more real. Their love story felt like a reflection of real relationships—messy, complicated, yet full of growth.
Supporting actors like Kim Sung-cheol and Roh Jeong-eui ensured the narrative was multi-layered. Ji-woong’s loneliness and NJ’s search for sincerity mirrored the struggles many face behind outward appearances. This balance of lead and supporting characters gave the drama its depth.
Overall, the cast elevated Our Beloved Summer beyond being just a romance. They turned it into an exploration of life’s struggles, triumphs, and the beauty of second chances. For me, this ensemble is a shining example of why K-dramas continue to captivate global audiences.
Cinematography, OST & Cultural Impact of Our Beloved Summer
Another reason Our Beloved Summer became a global favorite lies in its cinematic qualities and music. The drama was visually stunning, often resembling a moving piece of art. From summer sunsets to quiet urban streets, every frame carried warmth and nostalgia. This visual storytelling deepened the emotional resonance of the characters’ journeys, making ordinary moments feel profound.
The soundtrack also played a crucial role. One standout was “Christmas Tree” by BTS’s V (Kim Taehyung), which perfectly captured the bittersweet emotions of the leads’ relationship. Other songs, such as Sam Kim’s “Summer Rain” and Ha Sung-woon’s “Squabble,” added variety, balancing melancholy with lighthearted tones. The music underscored the drama’s duality—playful at times, heartbreaking at others.
Culturally, the series sparked conversations about modern relationships, ambition, and the struggles of young adults. Many fans resonated with the themes of self-doubt and rediscovery, while the international success of the OST highlighted the merging of K-pop and K-drama fandoms. Together, the cinematography and music elevated the show from a simple romance into a cultural touchstone.
Conclusion
The cast of Our Beloved Summer left an indelible mark on K-drama history. With Choi Woo-shik and Kim Da-mi leading a talented ensemble, the series blended heartfelt storytelling with relatable themes of ambition, love, and growth. Their chemistry carried the narrative, while supporting actors added layers of complexity and emotional resonance.
For fans of Korean dramas, Our Beloved Summer is more than just entertainment—it’s a reminder of youth’s beauty and heartbreak. The cast’s collective performance ensures the drama remains relevant and cherished long after its finale. Whether you’re revisiting it or discovering it for the first time, this drama and its cast will continue to inspire.
FAQ
Who are the main cast members of Our Beloved Summer?
The main leads are Choi Woo-shik (Choi Ung) and Kim Da-mi (Kook Yeon-su), supported by Kim Sung-cheol (Kim Ji-woong) and Roh Jeong-eui (NJ).
What is the drama Our Beloved Summer about?
It follows two ex–high school sweethearts who reconnect after a viral documentary, navigating personal growth, love, and rediscovery years later.
Why is the cast of Our Beloved Summer considered special?
The cast stands out for authentic chemistry and nuanced performances. They balance humor, heartbreak, and growth, making the drama resonate globally with both romance and deeper themes.
Additional Resources
- AsianWiki – Our Beloved Summer Cast & Crew
- Soompi – Our Beloved Summer News & Highlights
- YouTube – Our Beloved Summer Clips and OST
- Koreaboo – Fan Reactions to Our Beloved Summer
- NME – Review of Our Beloved Summer